Year	constant 2015 US$
2006	2863740115.273482
2007	3201563683.884271
2008	3558696812.0676003
2009	3051695502.345655
2010	3112612391.3980327
2011	3127026398.2347713
2012	3004915099.984873
2013	3052648564.949367
2014	3139920130.241322
2015	3209796781.523495
2016	3381895787.3203607
2017	3514978868.852337
2018	3676336140.9611244
2019	3788924116.33561
2020	3612902095.50456
2021	3759211202.9010863
2022	4124516569.042688
2023	4345696473.140332